Collapsible strainer



FIG. 1 is a front-facing perspective view of the collapsible strainer showing my new design;

FIG. 2 is a right-side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front-side elevational view thereof; and,

FIG. 6 is a back-side elevational view thereof.

The collapsible strainer of the present invention is symmetrical so that both side views are identical. 

The ornamental design for a collapsible strainer, as shown and described. 